PHPSysInfo index.php lng parameter information disclosure

phpsysinfo-lng-information-disclosure (27527) The risk level is classified as LowLow Risk

Description:

PHPSysInfo could allow a remote attacker to obtain sensitive information. An attacker could send a specially-crafted POST or GET request to the index.php script using "dot dot" sequences in the 'lng' parameter to cause an error message to be returned which could be used to determine if the file exists on the remote system. An attacker could use this information to launch further attacks against the affected system.

Platforms Affected:

  • PHPSysInfo, PHPSysInfo 2.5.1 and prior

Remedy:

No remedy available as of November 2008.

Consequences:

Obtain Information

References:

  • Full-Disclosure Mailing List, Wed Jul 05 2006 - 05:13:44 CDT, phpSysInfo arbitrary file identification at http://archives.neohapsis.com/archives/fulldisclosure/2006-07/0065.html.
  • SourceForge.net, PHPSysInfo at http://phpsysinfo.sourceforge.net/.
  • BID-18868: phpSysInfo Index.php Information Disclosure Vulnerability
  • CVE-2006-3360: Directory traversal vulnerability in index.php in phpSysInfo 2.5.1 allows remote attackers to determine the existence of arbitrary files via a .. (dot dot) sequence and a trailing null (%00) byte in the lng parameter, which will display a different error message if the file exists.
  • OSVDB ID: 27015: phpSysInfo index.php lng Variable Traversal File Existence Enumeration
  • SA20939: phpSysInfo "lng" Parameter File Detection Weakness
  • SECTRACK ID: 1016440: phpSysInfo Discloses Whether Files Exist to Remote Users
  • VUPEN/ADV-2006-2668: phpSysInfo "lng" Parameter Handling Remote Information Disclosure Vulnerability

Reported:

Jul 05, 2006

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